Home / 19,171.75-26,457.60-10,440.99

Finding the Fourth Proportional to 19,171.75, 26,457.60 and 10,440.99

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Solution

The fourth proportional to 19,171.75, 26,457.60 and 10,440.99 is: 14,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.75 : 26,457.60 = 10,440.99 : x
  2. Step 2: Convert to fraction form
    19,171.75/26,457.60 = 10,440.99/x
  3. Step 3: Cross multiply
    19,171.75x = 26,457.60 × 10,440.99
  4. Step 4: Simplify right side
    19,171.75x = 276,243,404.74
  5. Step 5: Solve for x
    x = 276,243,404.74/19,171.75
  6. Step 6: Final answer
    x = 14,408.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.